Section 12 (Anti-Lock Brake System)
WARNING: This page is about a different car, the 1989 Buick Riviera and 1989 Buick Reatta. However, it is still accessible from the selected car via links, so may be relevant.
- Description
- Safety Precautions
- Anti-Lock Brake System Operation
- Anti-Lock Brake System Component Locations
- Bleeding
- Diagnosis & Testing
- General Precautions
- Accessing Abs Trouble Codes
- Accessing BCM Trouble Codes
- Abs Codes & Chart Index
- Functional Check
- Charts & Codes
- Chart A1 - EBCM Problem
- Chart A2 - Main Valve
- Charts A3 To A8: Front & Rear Inlet & Outlet Valves
- Charts A9 To A12 Wheel Sensor
- Chart A13 Missing Wheel Sensor Signal
- Chart A14 "Pressure Reduction" Fault
- Chart A15 - Low Fluid/Pressure Loop Input Not Processable
- Chart B "Anti-Lock" Light On & No Codes Set
- Chart B1 Ignition Enable Circuit
- Chart B2 & B3 EBCM Loop Circuit Open Or Shorted
- Chart B4 Main Relay Circuits
- Chart B5 - Anti-Lock Light Circuit
- Chart B6 Miscellaneous EBCM Inputs
- Chart C "Brake" Light On & No Codes
- Chart C1 - Brake Pressure Input
- Chart C2 - Low Brake Fluid Input
- Chart C3 - Parking Brake Input
- Chart D "Brake" & "Anti-Lock" Lights On
- Chart D1 Pump/Motor Does Not Operate
- Chart D2 Hydraulic Unit Functional Check
- Chart D3 Fluid Level Sensor
- Charts D4 To D6 EXTNDED Pump Operation & Hydraulic LEAKDOWN
- Chart E Symptom Diagnosis
- "Brake" Indicator Control
- Chart E1 "Anti-Lock" Light INOP At Key On
- Chart E3 Valve Cycling During Normal Stops
- Chart E4 Low Or Spongy Pedal
- Chart E5 Poor Vehicle Tracking During Abs Operation
- Charts F Through F4 Wheel Sensor Output
- Chart G Solenoid Valves
- Removal & Installation
- Wiring Diagrams